@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/insp0004999>
  skos:prefLabel "Optical film"@en, "فیلم نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0005034> .

<http://www.irandoc.acir/onto/irandoc/insp0005035>
  skos:prefLabel "Optical element"@en, "عنصر نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0005034> .

<http://www.irandoc.acir/onto/irandoc/insp0008872>
  skos:prefLabel "Daylighting"@en, "نورپردازی طبیعی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0005034> .

<http://www.irandoc.acir/onto/irandoc/insp0005005>
  skos:prefLabel "پالایه نوری"@fa, "Optical filter"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0005034> .

<http://www.irandoc.acir/onto/irandoc/insp0004998>
  skos:prefLabel "Solar control film"@en, "فیلم کنترل خورشیدی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0005034> .

<http://www.irandoc.acir/onto/irandoc/insp0005034>
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0005035> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004998>, <http://www.irandoc.acir/onto/irandoc/insp0007931>, <http://www.irandoc.acir/onto/irandoc/insp0008872>, <http://www.irandoc.acir/onto/irandoc/insp0013334>, <http://www.irandoc.acir/onto/irandoc/insp0005005>, <http://www.irandoc.acir/onto/irandoc/insp0004999> ;
  skos:altLabel "windshields"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:prefLabel "Optical windows"@en, "پنجره نوری"@fa .

<http://www.irandoc.acir/onto/irandoc/insp0007931>
  skos:prefLabel "Optical materials"@en, "مواد نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0005034> .

<http://www.irandoc.acir/onto/irandoc/insp0013334>
  skos:prefLabel "پنجره"@fa, "Window"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0005034> .